thing characteristic of its kind. Things, people, which represent a category. be illustrated or exemplified.

Of or relating to physical health or medicine. A health check or test.

governing body of state.

Having the desired effect or result.

To act in a certain way toward someone.

systematic investigation into and study of materials and sources. To study in order to discover new ideas and facts.

study of how to arrange reproduction to increase occurrence of characteristics regarded as desirable. Study of methods of improving genetic qualities by selective breeding (especially as applied to human mating).

To convert or be converted totally or partially into ions.

chronic bacterial disease that is contracted chiefly by infection during sexual intercourse, but also congenitally by infection of developing fetus.

Process of emitting something in waves.

going from place to place. action of going from one place to another. To go to a place that is far away.

person whose job it is to work as member of crew of commercial or naval ship or boat. People who help sail a boat as their job.

difficult to control or predict because of wilful or perverse behaviour. Disobedient or willful; unpredictable, capricious.

Medicine or method to make someone healthier.